Home / 8,589.40-11,844-7,460.35

Finding the Fourth Proportional to 8,589.40, 11,844 and 7,460.35

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Solution

The fourth proportional to 8,589.40, 11,844 and 7,460.35 is: 10,287.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,589.40 : 11,844 = 7,460.35 : x
  2. Step 2: Convert to fraction form
    8,589.40/11,844 = 7,460.35/x
  3. Step 3: Cross multiply
    8,589.40x = 11,844 × 7,460.35
  4. Step 4: Simplify right side
    8,589.40x = 88,360,385.40
  5. Step 5: Solve for x
    x = 88,360,385.40/8,589.40
  6. Step 6: Final answer
    x = 10,287.14

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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.