Home / 7,416.02-11,125.24-3,518.30

Finding the Fourth Proportional to 7,416.02, 11,125.24 and 3,518.30

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Solution

The fourth proportional to 7,416.02, 11,125.24 and 3,518.30 is: 5,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,416.02 : 11,125.24 = 3,518.30 : x
  2. Step 2: Convert to fraction form
    7,416.02/11,125.24 = 3,518.30/x
  3. Step 3: Cross multiply
    7,416.02x = 11,125.24 × 3,518.30
  4. Step 4: Simplify right side
    7,416.02x = 39,141,931.89
  5. Step 5: Solve for x
    x = 39,141,931.89/7,416.02
  6. Step 6: Final answer
    x = 5,278.02

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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.