Home / 7,281.48-10,043.90-5,491.79

Finding the Fourth Proportional to 7,281.48, 10,043.90 and 5,491.79

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Solution

The fourth proportional to 7,281.48, 10,043.90 and 5,491.79 is: 7,575.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,281.48 : 10,043.90 = 5,491.79 : x
  2. Step 2: Convert to fraction form
    7,281.48/10,043.90 = 5,491.79/x
  3. Step 3: Cross multiply
    7,281.48x = 10,043.90 × 5,491.79
  4. Step 4: Simplify right side
    7,281.48x = 55,158,911.90
  5. Step 5: Solve for x
    x = 55,158,911.90/7,281.48
  6. Step 6: Final answer
    x = 7,575.23

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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.