Home / 8,303.02-12,445.88-3,621.77

Finding the Fourth Proportional to 8,303.02, 12,445.88 and 3,621.77

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Solution

The fourth proportional to 8,303.02, 12,445.88 and 3,621.77 is: 5,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,303.02 : 12,445.88 = 3,621.77 : x
  2. Step 2: Convert to fraction form
    8,303.02/12,445.88 = 3,621.77/x
  3. Step 3: Cross multiply
    8,303.02x = 12,445.88 × 3,621.77
  4. Step 4: Simplify right side
    8,303.02x = 45,076,170.53
  5. Step 5: Solve for x
    x = 45,076,170.53/8,303.02
  6. Step 6: Final answer
    x = 5,428.89

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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.