Home / 7,488.48-10,328.40-5,725.92

Finding the Fourth Proportional to 7,488.48, 10,328.40 and 5,725.92

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Solution

The fourth proportional to 7,488.48, 10,328.40 and 5,725.92 is: 7,897.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.48 : 10,328.40 = 5,725.92 : x
  2. Step 2: Convert to fraction form
    7,488.48/10,328.40 = 5,725.92/x
  3. Step 3: Cross multiply
    7,488.48x = 10,328.40 × 5,725.92
  4. Step 4: Simplify right side
    7,488.48x = 59,139,592.13
  5. Step 5: Solve for x
    x = 59,139,592.13/7,488.48
  6. Step 6: Final answer
    x = 7,897.41

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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.