Home / 7,949.31-10,970.55-4,412.58

Finding the Fourth Proportional to 7,949.31, 10,970.55 and 4,412.58

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Solution

The fourth proportional to 7,949.31, 10,970.55 and 4,412.58 is: 6,089.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.31 : 10,970.55 = 4,412.58 : x
  2. Step 2: Convert to fraction form
    7,949.31/10,970.55 = 4,412.58/x
  3. Step 3: Cross multiply
    7,949.31x = 10,970.55 × 4,412.58
  4. Step 4: Simplify right side
    7,949.31x = 48,408,407.46
  5. Step 5: Solve for x
    x = 48,408,407.46/7,949.31
  6. Step 6: Final answer
    x = 6,089.64

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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.