Home / 9,612.76-14,405.88-4,618.20

Finding the Fourth Proportional to 9,612.76, 14,405.88 and 4,618.20

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Solution

The fourth proportional to 9,612.76, 14,405.88 and 4,618.20 is: 6,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,612.76 : 14,405.88 = 4,618.20 : x
  2. Step 2: Convert to fraction form
    9,612.76/14,405.88 = 4,618.20/x
  3. Step 3: Cross multiply
    9,612.76x = 14,405.88 × 4,618.20
  4. Step 4: Simplify right side
    9,612.76x = 66,529,246.26
  5. Step 5: Solve for x
    x = 66,529,246.26/9,612.76
  6. Step 6: Final answer
    x = 6,920.93

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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.