Home / 7,446.23-10,275.15-4,089.05

Finding the Fourth Proportional to 7,446.23, 10,275.15 and 4,089.05

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Solution

The fourth proportional to 7,446.23, 10,275.15 and 4,089.05 is: 5,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,446.23 : 10,275.15 = 4,089.05 : x
  2. Step 2: Convert to fraction form
    7,446.23/10,275.15 = 4,089.05/x
  3. Step 3: Cross multiply
    7,446.23x = 10,275.15 × 4,089.05
  4. Step 4: Simplify right side
    7,446.23x = 42,015,604.60
  5. Step 5: Solve for x
    x = 42,015,604.60/7,446.23
  6. Step 6: Final answer
    x = 5,642.53

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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.