Home / 7,176.79-10,754.95-5,287.82

Finding the Fourth Proportional to 7,176.79, 10,754.95 and 5,287.82

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Solution

The fourth proportional to 7,176.79, 10,754.95 and 5,287.82 is: 7,924.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,176.79 : 10,754.95 = 5,287.82 : x
  2. Step 2: Convert to fraction form
    7,176.79/10,754.95 = 5,287.82/x
  3. Step 3: Cross multiply
    7,176.79x = 10,754.95 × 5,287.82
  4. Step 4: Simplify right side
    7,176.79x = 56,870,239.71
  5. Step 5: Solve for x
    x = 56,870,239.71/7,176.79
  6. Step 6: Final answer
    x = 7,924.19

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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.