Home / 7,387.03-10,191.22-4,870.46

Finding the Fourth Proportional to 7,387.03, 10,191.22 and 4,870.46

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Solution

The fourth proportional to 7,387.03, 10,191.22 and 4,870.46 is: 6,719.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.03 : 10,191.22 = 4,870.46 : x
  2. Step 2: Convert to fraction form
    7,387.03/10,191.22 = 4,870.46/x
  3. Step 3: Cross multiply
    7,387.03x = 10,191.22 × 4,870.46
  4. Step 4: Simplify right side
    7,387.03x = 49,635,942.66
  5. Step 5: Solve for x
    x = 49,635,942.66/7,387.03
  6. Step 6: Final answer
    x = 6,719.34

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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.