Home / 8,426.50-11,627.85-5,442.46

Finding the Fourth Proportional to 8,426.50, 11,627.85 and 5,442.46

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Solution

The fourth proportional to 8,426.50, 11,627.85 and 5,442.46 is: 7,510.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,426.50 : 11,627.85 = 5,442.46 : x
  2. Step 2: Convert to fraction form
    8,426.50/11,627.85 = 5,442.46/x
  3. Step 3: Cross multiply
    8,426.50x = 11,627.85 × 5,442.46
  4. Step 4: Simplify right side
    8,426.50x = 63,284,108.51
  5. Step 5: Solve for x
    x = 63,284,108.51/8,426.50
  6. Step 6: Final answer
    x = 7,510.13

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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.