Home / 5,065.60-6,987.72-2,969.32

Finding the Fourth Proportional to 5,065.60, 6,987.72 and 2,969.32

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Solution

The fourth proportional to 5,065.60, 6,987.72 and 2,969.32 is: 4,096.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,065.60 : 6,987.72 = 2,969.32 : x
  2. Step 2: Convert to fraction form
    5,065.60/6,987.72 = 2,969.32/x
  3. Step 3: Cross multiply
    5,065.60x = 6,987.72 × 2,969.32
  4. Step 4: Simplify right side
    5,065.60x = 20,748,776.75
  5. Step 5: Solve for x
    x = 20,748,776.75/5,065.60
  6. Step 6: Final answer
    x = 4,096.02

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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.