Home / 10,510.57-15,763.96-2,718.91

Finding the Fourth Proportional to 10,510.57, 15,763.96 and 2,718.91

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Solution

The fourth proportional to 10,510.57, 15,763.96 and 2,718.91 is: 4,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,510.57 : 15,763.96 = 2,718.91 : x
  2. Step 2: Convert to fraction form
    10,510.57/15,763.96 = 2,718.91/x
  3. Step 3: Cross multiply
    10,510.57x = 15,763.96 × 2,718.91
  4. Step 4: Simplify right side
    10,510.57x = 42,860,696.07
  5. Step 5: Solve for x
    x = 42,860,696.07/10,510.57
  6. Step 6: Final answer
    x = 4,077.87

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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.