Home / 8,510.10-12,775.55-4,814.90

Finding the Fourth Proportional to 8,510.10, 12,775.55 and 4,814.90

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Solution

The fourth proportional to 8,510.10, 12,775.55 and 4,814.90 is: 7,228.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,510.10 : 12,775.55 = 4,814.90 : x
  2. Step 2: Convert to fraction form
    8,510.10/12,775.55 = 4,814.90/x
  3. Step 3: Cross multiply
    8,510.10x = 12,775.55 × 4,814.90
  4. Step 4: Simplify right side
    8,510.10x = 61,512,995.70
  5. Step 5: Solve for x
    x = 61,512,995.70/8,510.10
  6. Step 6: Final answer
    x = 7,228.23

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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.