Home / 5,510.78-8,267.49-1,615.10

Finding the Fourth Proportional to 5,510.78, 8,267.49 and 1,615.10

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Solution

The fourth proportional to 5,510.78, 8,267.49 and 1,615.10 is: 2,423.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.78 : 8,267.49 = 1,615.10 : x
  2. Step 2: Convert to fraction form
    5,510.78/8,267.49 = 1,615.10/x
  3. Step 3: Cross multiply
    5,510.78x = 8,267.49 × 1,615.10
  4. Step 4: Simplify right side
    5,510.78x = 13,352,823.10
  5. Step 5: Solve for x
    x = 13,352,823.10/5,510.78
  6. Step 6: Final answer
    x = 2,423.04

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1.5x scale

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.