Home / 7,653.57-11,478.98-2,106.20

Finding the Fourth Proportional to 7,653.57, 11,478.98 and 2,106.20

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Solution

The fourth proportional to 7,653.57, 11,478.98 and 2,106.20 is: 3,158.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.57 : 11,478.98 = 2,106.20 : x
  2. Step 2: Convert to fraction form
    7,653.57/11,478.98 = 2,106.20/x
  3. Step 3: Cross multiply
    7,653.57x = 11,478.98 × 2,106.20
  4. Step 4: Simplify right side
    7,653.57x = 24,176,959.75
  5. Step 5: Solve for x
    x = 24,176,959.75/7,653.57
  6. Step 6: Final answer
    x = 3,158.91

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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.