Home / 7,261.76-10,886.16-3,360.80

Finding the Fourth Proportional to 7,261.76, 10,886.16 and 3,360.80

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Solution

The fourth proportional to 7,261.76, 10,886.16 and 3,360.80 is: 5,038.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.76 : 10,886.16 = 3,360.80 : x
  2. Step 2: Convert to fraction form
    7,261.76/10,886.16 = 3,360.80/x
  3. Step 3: Cross multiply
    7,261.76x = 10,886.16 × 3,360.80
  4. Step 4: Simplify right side
    7,261.76x = 36,586,206.53
  5. Step 5: Solve for x
    x = 36,586,206.53/7,261.76
  6. Step 6: Final answer
    x = 5,038.20

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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.