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Finding the Fourth Proportional to 6,599.90, 9,899.77 and 1,602.32

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Solution

The fourth proportional to 6,599.90, 9,899.77 and 1,602.32 is: 2,403.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,599.90 : 9,899.77 = 1,602.32 : x
  2. Step 2: Convert to fraction form
    6,599.90/9,899.77 = 1,602.32/x
  3. Step 3: Cross multiply
    6,599.90x = 9,899.77 × 1,602.32
  4. Step 4: Simplify right side
    6,599.90x = 15,862,549.97
  5. Step 5: Solve for x
    x = 15,862,549.97/6,599.90
  6. Step 6: Final answer
    x = 2,403.45

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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.