Home / 8,386.32-12,572.28-4,685.52

Finding the Fourth Proportional to 8,386.32, 12,572.28 and 4,685.52

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Solution

The fourth proportional to 8,386.32, 12,572.28 and 4,685.52 is: 7,024.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,386.32 : 12,572.28 = 4,685.52 : x
  2. Step 2: Convert to fraction form
    8,386.32/12,572.28 = 4,685.52/x
  3. Step 3: Cross multiply
    8,386.32x = 12,572.28 × 4,685.52
  4. Step 4: Simplify right side
    8,386.32x = 58,907,669.39
  5. Step 5: Solve for x
    x = 58,907,669.39/8,386.32
  6. Step 6: Final answer
    x = 7,024.26

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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.