Home / 9,287.12-13,921.50-3,442.16

Finding the Fourth Proportional to 9,287.12, 13,921.50 and 3,442.16

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Solution

The fourth proportional to 9,287.12, 13,921.50 and 3,442.16 is: 5,159.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.12 : 13,921.50 = 3,442.16 : x
  2. Step 2: Convert to fraction form
    9,287.12/13,921.50 = 3,442.16/x
  3. Step 3: Cross multiply
    9,287.12x = 13,921.50 × 3,442.16
  4. Step 4: Simplify right side
    9,287.12x = 47,920,030.44
  5. Step 5: Solve for x
    x = 47,920,030.44/9,287.12
  6. Step 6: Final answer
    x = 5,159.84

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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.