Home / 9,337.92-12,886.60-5,359.80

Finding the Fourth Proportional to 9,337.92, 12,886.60 and 5,359.80

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Solution

The fourth proportional to 9,337.92, 12,886.60 and 5,359.80 is: 7,396.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,337.92 : 12,886.60 = 5,359.80 : x
  2. Step 2: Convert to fraction form
    9,337.92/12,886.60 = 5,359.80/x
  3. Step 3: Cross multiply
    9,337.92x = 12,886.60 × 5,359.80
  4. Step 4: Simplify right side
    9,337.92x = 69,069,598.68
  5. Step 5: Solve for x
    x = 69,069,598.68/9,337.92
  6. Step 6: Final answer
    x = 7,396.68

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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.