Home / 9,447.72-13,038.48-5,470.22

Finding the Fourth Proportional to 9,447.72, 13,038.48 and 5,470.22

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Solution

The fourth proportional to 9,447.72, 13,038.48 and 5,470.22 is: 7,549.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.72 : 13,038.48 = 5,470.22 : x
  2. Step 2: Convert to fraction form
    9,447.72/13,038.48 = 5,470.22/x
  3. Step 3: Cross multiply
    9,447.72x = 13,038.48 × 5,470.22
  4. Step 4: Simplify right side
    9,447.72x = 71,323,288.87
  5. Step 5: Solve for x
    x = 71,323,288.87/9,447.72
  6. Step 6: Final answer
    x = 7,549.26

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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.