Home / 4,480.02-6,720.75-1,557.63

Finding the Fourth Proportional to 4,480.02, 6,720.75 and 1,557.63

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Solution

The fourth proportional to 4,480.02, 6,720.75 and 1,557.63 is: 2,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.02 : 6,720.75 = 1,557.63 : x
  2. Step 2: Convert to fraction form
    4,480.02/6,720.75 = 1,557.63/x
  3. Step 3: Cross multiply
    4,480.02x = 6,720.75 × 1,557.63
  4. Step 4: Simplify right side
    4,480.02x = 10,468,441.82
  5. Step 5: Solve for x
    x = 10,468,441.82/4,480.02
  6. Step 6: Final answer
    x = 2,336.70

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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.