Home / 10,279.37-15,425.40-4,038.28

Finding the Fourth Proportional to 10,279.37, 15,425.40 and 4,038.28

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Solution

The fourth proportional to 10,279.37, 15,425.40 and 4,038.28 is: 6,059.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.37 : 15,425.40 = 4,038.28 : x
  2. Step 2: Convert to fraction form
    10,279.37/15,425.40 = 4,038.28/x
  3. Step 3: Cross multiply
    10,279.37x = 15,425.40 × 4,038.28
  4. Step 4: Simplify right side
    10,279.37x = 62,292,117.46
  5. Step 5: Solve for x
    x = 62,292,117.46/10,279.37
  6. Step 6: Final answer
    x = 6,059.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.