Home / 9,057.38-13,590.70-4,381.40

Finding the Fourth Proportional to 9,057.38, 13,590.70 and 4,381.40

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Solution

The fourth proportional to 9,057.38, 13,590.70 and 4,381.40 is: 6,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,057.38 : 13,590.70 = 4,381.40 : x
  2. Step 2: Convert to fraction form
    9,057.38/13,590.70 = 4,381.40/x
  3. Step 3: Cross multiply
    9,057.38x = 13,590.70 × 4,381.40
  4. Step 4: Simplify right side
    9,057.38x = 59,546,316.00
  5. Step 5: Solve for x
    x = 59,546,316.00/9,057.38
  6. Step 6: Final answer
    x = 6,574.34

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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.