Home / 7,510.23-11,267.78-2,579.76

Finding the Fourth Proportional to 7,510.23, 11,267.78 and 2,579.76

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Solution

The fourth proportional to 7,510.23, 11,267.78 and 2,579.76 is: 3,870.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510.23 : 11,267.78 = 2,579.76 : x
  2. Step 2: Convert to fraction form
    7,510.23/11,267.78 = 2,579.76/x
  3. Step 3: Cross multiply
    7,510.23x = 11,267.78 × 2,579.76
  4. Step 4: Simplify right side
    7,510.23x = 29,068,155.23
  5. Step 5: Solve for x
    x = 29,068,155.23/7,510.23
  6. Step 6: Final answer
    x = 3,870.47

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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.