Home / 7,118.92-10,678.02-2,501.56

Finding the Fourth Proportional to 7,118.92, 10,678.02 and 2,501.56

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Solution

The fourth proportional to 7,118.92, 10,678.02 and 2,501.56 is: 3,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,118.92 : 10,678.02 = 2,501.56 : x
  2. Step 2: Convert to fraction form
    7,118.92/10,678.02 = 2,501.56/x
  3. Step 3: Cross multiply
    7,118.92x = 10,678.02 × 2,501.56
  4. Step 4: Simplify right side
    7,118.92x = 26,711,707.71
  5. Step 5: Solve for x
    x = 26,711,707.71/7,118.92
  6. Step 6: Final answer
    x = 3,752.21

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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.