Home / 10,279.07-15,417.45-2,883.81

Finding the Fourth Proportional to 10,279.07, 15,417.45 and 2,883.81

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Solution

The fourth proportional to 10,279.07, 15,417.45 and 2,883.81 is: 4,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,279.07 : 15,417.45 = 2,883.81 : x
  2. Step 2: Convert to fraction form
    10,279.07/15,417.45 = 2,883.81/x
  3. Step 3: Cross multiply
    10,279.07x = 15,417.45 × 2,883.81
  4. Step 4: Simplify right side
    10,279.07x = 44,460,996.48
  5. Step 5: Solve for x
    x = 44,460,996.48/10,279.07
  6. Step 6: Final answer
    x = 4,325.39

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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.