Home / 7,031.04-10,548.16-3,742.40

Finding the Fourth Proportional to 7,031.04, 10,548.16 and 3,742.40

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Solution

The fourth proportional to 7,031.04, 10,548.16 and 3,742.40 is: 5,614.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.04 : 10,548.16 = 3,742.40 : x
  2. Step 2: Convert to fraction form
    7,031.04/10,548.16 = 3,742.40/x
  3. Step 3: Cross multiply
    7,031.04x = 10,548.16 × 3,742.40
  4. Step 4: Simplify right side
    7,031.04x = 39,475,433.98
  5. Step 5: Solve for x
    x = 39,475,433.98/7,031.04
  6. Step 6: Final answer
    x = 5,614.45

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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.