Home / 7,360.20-11,051.10-5,718.60

Finding the Fourth Proportional to 7,360.20, 11,051.10 and 5,718.60

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Solution

The fourth proportional to 7,360.20, 11,051.10 and 5,718.60 is: 8,586.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,360.20 : 11,051.10 = 5,718.60 : x
  2. Step 2: Convert to fraction form
    7,360.20/11,051.10 = 5,718.60/x
  3. Step 3: Cross multiply
    7,360.20x = 11,051.10 × 5,718.60
  4. Step 4: Simplify right side
    7,360.20x = 63,196,820.46
  5. Step 5: Solve for x
    x = 63,196,820.46/7,360.20
  6. Step 6: Final answer
    x = 8,586.29

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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.