Home / 4,888.90-7,331.55-1,602.10

Finding the Fourth Proportional to 4,888.90, 7,331.55 and 1,602.10

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Solution

The fourth proportional to 4,888.90, 7,331.55 and 1,602.10 is: 2,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.90 : 7,331.55 = 1,602.10 : x
  2. Step 2: Convert to fraction form
    4,888.90/7,331.55 = 1,602.10/x
  3. Step 3: Cross multiply
    4,888.90x = 7,331.55 × 1,602.10
  4. Step 4: Simplify right side
    4,888.90x = 11,745,876.26
  5. Step 5: Solve for x
    x = 11,745,876.26/4,888.90
  6. Step 6: Final answer
    x = 2,402.56

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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.