Home / 5,031.48-7,547.84-1,333.79

Finding the Fourth Proportional to 5,031.48, 7,547.84 and 1,333.79

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Solution

The fourth proportional to 5,031.48, 7,547.84 and 1,333.79 is: 2,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,031.48 : 7,547.84 = 1,333.79 : x
  2. Step 2: Convert to fraction form
    5,031.48/7,547.84 = 1,333.79/x
  3. Step 3: Cross multiply
    5,031.48x = 7,547.84 × 1,333.79
  4. Step 4: Simplify right side
    5,031.48x = 10,067,189.11
  5. Step 5: Solve for x
    x = 10,067,189.11/5,031.48
  6. Step 6: Final answer
    x = 2,000.84

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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.