Home / 7,660.28-10,570.74-4,473.20

Finding the Fourth Proportional to 7,660.28, 10,570.74 and 4,473.20

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Solution

The fourth proportional to 7,660.28, 10,570.74 and 4,473.20 is: 6,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.28 : 10,570.74 = 4,473.20 : x
  2. Step 2: Convert to fraction form
    7,660.28/10,570.74 = 4,473.20/x
  3. Step 3: Cross multiply
    7,660.28x = 10,570.74 × 4,473.20
  4. Step 4: Simplify right side
    7,660.28x = 47,285,034.17
  5. Step 5: Solve for x
    x = 47,285,034.17/7,660.28
  6. Step 6: Final answer
    x = 6,172.76

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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.