Home / 7,530.31-10,391.97-4,386.70

Finding the Fourth Proportional to 7,530.31, 10,391.97 and 4,386.70

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Solution

The fourth proportional to 7,530.31, 10,391.97 and 4,386.70 is: 6,053.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.31 : 10,391.97 = 4,386.70 : x
  2. Step 2: Convert to fraction form
    7,530.31/10,391.97 = 4,386.70/x
  3. Step 3: Cross multiply
    7,530.31x = 10,391.97 × 4,386.70
  4. Step 4: Simplify right side
    7,530.31x = 45,586,402.84
  5. Step 5: Solve for x
    x = 45,586,402.84/7,530.31
  6. Step 6: Final answer
    x = 6,053.73

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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.