Home / 7,484.66-11,230.24-2,870.90

Finding the Fourth Proportional to 7,484.66, 11,230.24 and 2,870.90

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Solution

The fourth proportional to 7,484.66, 11,230.24 and 2,870.90 is: 4,307.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484.66 : 11,230.24 = 2,870.90 : x
  2. Step 2: Convert to fraction form
    7,484.66/11,230.24 = 2,870.90/x
  3. Step 3: Cross multiply
    7,484.66x = 11,230.24 × 2,870.90
  4. Step 4: Simplify right side
    7,484.66x = 32,240,896.02
  5. Step 5: Solve for x
    x = 32,240,896.02/7,484.66
  6. Step 6: Final answer
    x = 4,307.60

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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.