Home / 7,901.64-11,848.54-4,615.56

Finding the Fourth Proportional to 7,901.64, 11,848.54 and 4,615.56

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Solution

The fourth proportional to 7,901.64, 11,848.54 and 4,615.56 is: 6,921.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,901.64 : 11,848.54 = 4,615.56 : x
  2. Step 2: Convert to fraction form
    7,901.64/11,848.54 = 4,615.56/x
  3. Step 3: Cross multiply
    7,901.64x = 11,848.54 × 4,615.56
  4. Step 4: Simplify right side
    7,901.64x = 54,687,647.28
  5. Step 5: Solve for x
    x = 54,687,647.28/7,901.64
  6. Step 6: Final answer
    x = 6,921.05

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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.