Home / 7,260.70-10,881.47-2,875.76

Finding the Fourth Proportional to 7,260.70, 10,881.47 and 2,875.76

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Solution

The fourth proportional to 7,260.70, 10,881.47 and 2,875.76 is: 4,309.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.70 : 10,881.47 = 2,875.76 : x
  2. Step 2: Convert to fraction form
    7,260.70/10,881.47 = 2,875.76/x
  3. Step 3: Cross multiply
    7,260.70x = 10,881.47 × 2,875.76
  4. Step 4: Simplify right side
    7,260.70x = 31,292,496.17
  5. Step 5: Solve for x
    x = 31,292,496.17/7,260.70
  6. Step 6: Final answer
    x = 4,309.85

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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.