Home / 7,417.53-11,126.22-1,870.76

Finding the Fourth Proportional to 7,417.53, 11,126.22 and 1,870.76

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Solution

The fourth proportional to 7,417.53, 11,126.22 and 1,870.76 is: 2,806.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,417.53 : 11,126.22 = 1,870.76 : x
  2. Step 2: Convert to fraction form
    7,417.53/11,126.22 = 1,870.76/x
  3. Step 3: Cross multiply
    7,417.53x = 11,126.22 × 1,870.76
  4. Step 4: Simplify right side
    7,417.53x = 20,814,431.70
  5. Step 5: Solve for x
    x = 20,814,431.70/7,417.53
  6. Step 6: Final answer
    x = 2,806.11

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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.