Home / 5,510.72-8,269.44-2,390.16

Finding the Fourth Proportional to 5,510.72, 8,269.44 and 2,390.16

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Solution

The fourth proportional to 5,510.72, 8,269.44 and 2,390.16 is: 3,586.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,510.72 : 8,269.44 = 2,390.16 : x
  2. Step 2: Convert to fraction form
    5,510.72/8,269.44 = 2,390.16/x
  3. Step 3: Cross multiply
    5,510.72x = 8,269.44 × 2,390.16
  4. Step 4: Simplify right side
    5,510.72x = 19,765,284.71
  5. Step 5: Solve for x
    x = 19,765,284.71/5,510.72
  6. Step 6: Final answer
    x = 3,586.70

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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.