Home / 9,905.79-14,863.59-4,641.18

Finding the Fourth Proportional to 9,905.79, 14,863.59 and 4,641.18

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Solution

The fourth proportional to 9,905.79, 14,863.59 and 4,641.18 is: 6,964.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.79 : 14,863.59 = 4,641.18 : x
  2. Step 2: Convert to fraction form
    9,905.79/14,863.59 = 4,641.18/x
  3. Step 3: Cross multiply
    9,905.79x = 14,863.59 × 4,641.18
  4. Step 4: Simplify right side
    9,905.79x = 68,984,596.64
  5. Step 5: Solve for x
    x = 68,984,596.64/9,905.79
  6. Step 6: Final answer
    x = 6,964.07

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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.