Home / 7,955.70-11,925.45-4,667.10

Finding the Fourth Proportional to 7,955.70, 11,925.45 and 4,667.10

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Solution

The fourth proportional to 7,955.70, 11,925.45 and 4,667.10 is: 6,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.70 : 11,925.45 = 4,667.10 : x
  2. Step 2: Convert to fraction form
    7,955.70/11,925.45 = 4,667.10/x
  3. Step 3: Cross multiply
    7,955.70x = 11,925.45 × 4,667.10
  4. Step 4: Simplify right side
    7,955.70x = 55,657,267.70
  5. Step 5: Solve for x
    x = 55,657,267.70/7,955.70
  6. Step 6: Final answer
    x = 6,995.90

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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.