Home / 7,043.16-9,720.30-5,271.66

Finding the Fourth Proportional to 7,043.16, 9,720.30 and 5,271.66

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Solution

The fourth proportional to 7,043.16, 9,720.30 and 5,271.66 is: 7,275.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,043.16 : 9,720.30 = 5,271.66 : x
  2. Step 2: Convert to fraction form
    7,043.16/9,720.30 = 5,271.66/x
  3. Step 3: Cross multiply
    7,043.16x = 9,720.30 × 5,271.66
  4. Step 4: Simplify right side
    7,043.16x = 51,242,116.70
  5. Step 5: Solve for x
    x = 51,242,116.70/7,043.16
  6. Step 6: Final answer
    x = 7,275.44

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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.