Home / 7,342.19-10,124.78-6,283.47

Finding the Fourth Proportional to 7,342.19, 10,124.78 and 6,283.47

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Solution

The fourth proportional to 7,342.19, 10,124.78 and 6,283.47 is: 8,664.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,342.19 : 10,124.78 = 6,283.47 : x
  2. Step 2: Convert to fraction form
    7,342.19/10,124.78 = 6,283.47/x
  3. Step 3: Cross multiply
    7,342.19x = 10,124.78 × 6,283.47
  4. Step 4: Simplify right side
    7,342.19x = 63,618,793.28
  5. Step 5: Solve for x
    x = 63,618,793.28/7,342.19
  6. Step 6: Final answer
    x = 8,664.82

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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.