Home / 9,577.76-13,217.18-5,386.01

Finding the Fourth Proportional to 9,577.76, 13,217.18 and 5,386.01

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Solution

The fourth proportional to 9,577.76, 13,217.18 and 5,386.01 is: 7,432.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,577.76 : 13,217.18 = 5,386.01 : x
  2. Step 2: Convert to fraction form
    9,577.76/13,217.18 = 5,386.01/x
  3. Step 3: Cross multiply
    9,577.76x = 13,217.18 × 5,386.01
  4. Step 4: Simplify right side
    9,577.76x = 71,187,770.64
  5. Step 5: Solve for x
    x = 71,187,770.64/9,577.76
  6. Step 6: Final answer
    x = 7,432.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.