Home / 7,656.20-11,484.30-5,323.40

Finding the Fourth Proportional to 7,656.20, 11,484.30 and 5,323.40

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Solution

The fourth proportional to 7,656.20, 11,484.30 and 5,323.40 is: 7,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,656.20 : 11,484.30 = 5,323.40 : x
  2. Step 2: Convert to fraction form
    7,656.20/11,484.30 = 5,323.40/x
  3. Step 3: Cross multiply
    7,656.20x = 11,484.30 × 5,323.40
  4. Step 4: Simplify right side
    7,656.20x = 61,135,522.62
  5. Step 5: Solve for x
    x = 61,135,522.62/7,656.20
  6. Step 6: Final answer
    x = 7,985.10

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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.