Home / 5,389.39-7,437.60-3,031.53

Finding the Fourth Proportional to 5,389.39, 7,437.60 and 3,031.53

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Solution

The fourth proportional to 5,389.39, 7,437.60 and 3,031.53 is: 4,183.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.39 : 7,437.60 = 3,031.53 : x
  2. Step 2: Convert to fraction form
    5,389.39/7,437.60 = 3,031.53/x
  3. Step 3: Cross multiply
    5,389.39x = 7,437.60 × 3,031.53
  4. Step 4: Simplify right side
    5,389.39x = 22,547,346.79
  5. Step 5: Solve for x
    x = 22,547,346.79/5,389.39
  6. Step 6: Final answer
    x = 4,183.65

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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.