Home / 7,031.27-10,543.65-2,587.81

Finding the Fourth Proportional to 7,031.27, 10,543.65 and 2,587.81

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Solution

The fourth proportional to 7,031.27, 10,543.65 and 2,587.81 is: 3,880.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.27 : 10,543.65 = 2,587.81 : x
  2. Step 2: Convert to fraction form
    7,031.27/10,543.65 = 2,587.81/x
  3. Step 3: Cross multiply
    7,031.27x = 10,543.65 × 2,587.81
  4. Step 4: Simplify right side
    7,031.27x = 27,284,926.84
  5. Step 5: Solve for x
    x = 27,284,926.84/7,031.27
  6. Step 6: Final answer
    x = 3,880.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.