Home / 5,510.30-8,266.64-1,812.35

Finding the Fourth Proportional to 5,510.30, 8,266.64 and 1,812.35

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Solution

The fourth proportional to 5,510.30, 8,266.64 and 1,812.35 is: 2,718.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.30 : 8,266.64 = 1,812.35 : x
  2. Step 2: Convert to fraction form
    5,510.30/8,266.64 = 1,812.35/x
  3. Step 3: Cross multiply
    5,510.30x = 8,266.64 × 1,812.35
  4. Step 4: Simplify right side
    5,510.30x = 14,981,994.61
  5. Step 5: Solve for x
    x = 14,981,994.61/5,510.30
  6. Step 6: Final answer
    x = 2,718.91

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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.