Home / 9,320.48-12,862.04-5,343.92

Finding the Fourth Proportional to 9,320.48, 12,862.04 and 5,343.92

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Solution

The fourth proportional to 9,320.48, 12,862.04 and 5,343.92 is: 7,374.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,320.48 : 12,862.04 = 5,343.92 : x
  2. Step 2: Convert to fraction form
    9,320.48/12,862.04 = 5,343.92/x
  3. Step 3: Cross multiply
    9,320.48x = 12,862.04 × 5,343.92
  4. Step 4: Simplify right side
    9,320.48x = 68,733,712.80
  5. Step 5: Solve for x
    x = 68,733,712.80/9,320.48
  6. Step 6: Final answer
    x = 7,374.48

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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.