Home / 8,941.08-12,330.11-5,355.47

Finding the Fourth Proportional to 8,941.08, 12,330.11 and 5,355.47

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Solution

The fourth proportional to 8,941.08, 12,330.11 and 5,355.47 is: 7,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,941.08 : 12,330.11 = 5,355.47 : x
  2. Step 2: Convert to fraction form
    8,941.08/12,330.11 = 5,355.47/x
  3. Step 3: Cross multiply
    8,941.08x = 12,330.11 × 5,355.47
  4. Step 4: Simplify right side
    8,941.08x = 66,033,445.77
  5. Step 5: Solve for x
    x = 66,033,445.77/8,941.08
  6. Step 6: Final answer
    x = 7,385.40

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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.