Home / 4,303.02-6,453.15-1,380.63

Finding the Fourth Proportional to 4,303.02, 6,453.15 and 1,380.63

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Solution

The fourth proportional to 4,303.02, 6,453.15 and 1,380.63 is: 2,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,303.02 : 6,453.15 = 1,380.63 : x
  2. Step 2: Convert to fraction form
    4,303.02/6,453.15 = 1,380.63/x
  3. Step 3: Cross multiply
    4,303.02x = 6,453.15 × 1,380.63
  4. Step 4: Simplify right side
    4,303.02x = 8,909,412.48
  5. Step 5: Solve for x
    x = 8,909,412.48/4,303.02
  6. Step 6: Final answer
    x = 2,070.50

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Half scale
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Double scale
Find fourth proportional to 4,304.02, 6,454.65 and 1,381.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.