Home / 7,660.71-10,571.45-4,681.53

Finding the Fourth Proportional to 7,660.71, 10,571.45 and 4,681.53

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Solution

The fourth proportional to 7,660.71, 10,571.45 and 4,681.53 is: 6,460.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,660.71 : 10,571.45 = 4,681.53 : x
  2. Step 2: Convert to fraction form
    7,660.71/10,571.45 = 4,681.53/x
  3. Step 3: Cross multiply
    7,660.71x = 10,571.45 × 4,681.53
  4. Step 4: Simplify right side
    7,660.71x = 49,490,536.91
  5. Step 5: Solve for x
    x = 49,490,536.91/7,660.71
  6. Step 6: Final answer
    x = 6,460.31

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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.