Home / 9,124.31-12,585.26-5,589.27

Finding the Fourth Proportional to 9,124.31, 12,585.26 and 5,589.27

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Solution

The fourth proportional to 9,124.31, 12,585.26 and 5,589.27 is: 7,709.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,124.31 : 12,585.26 = 5,589.27 : x
  2. Step 2: Convert to fraction form
    9,124.31/12,585.26 = 5,589.27/x
  3. Step 3: Cross multiply
    9,124.31x = 12,585.26 × 5,589.27
  4. Step 4: Simplify right side
    9,124.31x = 70,342,430.13
  5. Step 5: Solve for x
    x = 70,342,430.13/9,124.31
  6. Step 6: Final answer
    x = 7,709.34

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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.