Home / 7,279.36-10,050.10-5,159.38

Finding the Fourth Proportional to 7,279.36, 10,050.10 and 5,159.38

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Solution

The fourth proportional to 7,279.36, 10,050.10 and 5,159.38 is: 7,123.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.36 : 10,050.10 = 5,159.38 : x
  2. Step 2: Convert to fraction form
    7,279.36/10,050.10 = 5,159.38/x
  3. Step 3: Cross multiply
    7,279.36x = 10,050.10 × 5,159.38
  4. Step 4: Simplify right side
    7,279.36x = 51,852,284.94
  5. Step 5: Solve for x
    x = 51,852,284.94/7,279.36
  6. Step 6: Final answer
    x = 7,123.19

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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.