Home / 5,184.32-7,774.88-1,485.55

Finding the Fourth Proportional to 5,184.32, 7,774.88 and 1,485.55

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Solution

The fourth proportional to 5,184.32, 7,774.88 and 1,485.55 is: 2,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,184.32 : 7,774.88 = 1,485.55 : x
  2. Step 2: Convert to fraction form
    5,184.32/7,774.88 = 1,485.55/x
  3. Step 3: Cross multiply
    5,184.32x = 7,774.88 × 1,485.55
  4. Step 4: Simplify right side
    5,184.32x = 11,549,988.71
  5. Step 5: Solve for x
    x = 11,549,988.71/5,184.32
  6. Step 6: Final answer
    x = 2,227.87

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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.