Home / 8,360.19-12,532.05-5,398.16

Finding the Fourth Proportional to 8,360.19, 12,532.05 and 5,398.16

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Solution

The fourth proportional to 8,360.19, 12,532.05 and 5,398.16 is: 8,091.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.19 : 12,532.05 = 5,398.16 : x
  2. Step 2: Convert to fraction form
    8,360.19/12,532.05 = 5,398.16/x
  3. Step 3: Cross multiply
    8,360.19x = 12,532.05 × 5,398.16
  4. Step 4: Simplify right side
    8,360.19x = 67,649,948.37
  5. Step 5: Solve for x
    x = 67,649,948.37/8,360.19
  6. Step 6: Final answer
    x = 8,091.92

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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.