Home / 7,427.10-11,116.35-5,774.70

Finding the Fourth Proportional to 7,427.10, 11,116.35 and 5,774.70

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Solution

The fourth proportional to 7,427.10, 11,116.35 and 5,774.70 is: 8,643.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,427.10 : 11,116.35 = 5,774.70 : x
  2. Step 2: Convert to fraction form
    7,427.10/11,116.35 = 5,774.70/x
  3. Step 3: Cross multiply
    7,427.10x = 11,116.35 × 5,774.70
  4. Step 4: Simplify right side
    7,427.10x = 64,193,586.35
  5. Step 5: Solve for x
    x = 64,193,586.35/7,427.10
  6. Step 6: Final answer
    x = 8,643.16

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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.