Home / 8,964.18-12,369.40-4,984.50

Finding the Fourth Proportional to 8,964.18, 12,369.40 and 4,984.50

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Solution

The fourth proportional to 8,964.18, 12,369.40 and 4,984.50 is: 6,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,964.18 : 12,369.40 = 4,984.50 : x
  2. Step 2: Convert to fraction form
    8,964.18/12,369.40 = 4,984.50/x
  3. Step 3: Cross multiply
    8,964.18x = 12,369.40 × 4,984.50
  4. Step 4: Simplify right side
    8,964.18x = 61,655,274.30
  5. Step 5: Solve for x
    x = 61,655,274.30/8,964.18
  6. Step 6: Final answer
    x = 6,877.96

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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.