Home / 9,821.79-14,724.92-4,888.74

Finding the Fourth Proportional to 9,821.79, 14,724.92 and 4,888.74

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Solution

The fourth proportional to 9,821.79, 14,724.92 and 4,888.74 is: 7,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,821.79 : 14,724.92 = 4,888.74 : x
  2. Step 2: Convert to fraction form
    9,821.79/14,724.92 = 4,888.74/x
  3. Step 3: Cross multiply
    9,821.79x = 14,724.92 × 4,888.74
  4. Step 4: Simplify right side
    9,821.79x = 71,986,280.96
  5. Step 5: Solve for x
    x = 71,986,280.96/9,821.79
  6. Step 6: Final answer
    x = 7,329.24

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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.