Home / 7,929.70-11,886.45-4,641.10

Finding the Fourth Proportional to 7,929.70, 11,886.45 and 4,641.10

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Solution

The fourth proportional to 7,929.70, 11,886.45 and 4,641.10 is: 6,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.70 : 11,886.45 = 4,641.10 : x
  2. Step 2: Convert to fraction form
    7,929.70/11,886.45 = 4,641.10/x
  3. Step 3: Cross multiply
    7,929.70x = 11,886.45 × 4,641.10
  4. Step 4: Simplify right side
    7,929.70x = 55,166,203.10
  5. Step 5: Solve for x
    x = 55,166,203.10/7,929.70
  6. Step 6: Final answer
    x = 6,956.91

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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.