Home / 7,346.65-10,139.68-4,160.13

Finding the Fourth Proportional to 7,346.65, 10,139.68 and 4,160.13

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Solution

The fourth proportional to 7,346.65, 10,139.68 and 4,160.13 is: 5,741.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,346.65 : 10,139.68 = 4,160.13 : x
  2. Step 2: Convert to fraction form
    7,346.65/10,139.68 = 4,160.13/x
  3. Step 3: Cross multiply
    7,346.65x = 10,139.68 × 4,160.13
  4. Step 4: Simplify right side
    7,346.65x = 42,182,386.96
  5. Step 5: Solve for x
    x = 42,182,386.96/7,346.65
  6. Step 6: Final answer
    x = 5,741.72

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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.