Home / 7,888.40-10,886.52-4,532.30

Finding the Fourth Proportional to 7,888.40, 10,886.52 and 4,532.30

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Solution

The fourth proportional to 7,888.40, 10,886.52 and 4,532.30 is: 6,254.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888.40 : 10,886.52 = 4,532.30 : x
  2. Step 2: Convert to fraction form
    7,888.40/10,886.52 = 4,532.30/x
  3. Step 3: Cross multiply
    7,888.40x = 10,886.52 × 4,532.30
  4. Step 4: Simplify right side
    7,888.40x = 49,340,974.60
  5. Step 5: Solve for x
    x = 49,340,974.60/7,888.40
  6. Step 6: Final answer
    x = 6,254.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.