Home / 6,582.60-9,085.77-3,931.20

Finding the Fourth Proportional to 6,582.60, 9,085.77 and 3,931.20

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Solution

The fourth proportional to 6,582.60, 9,085.77 and 3,931.20 is: 5,426.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,582.60 : 9,085.77 = 3,931.20 : x
  2. Step 2: Convert to fraction form
    6,582.60/9,085.77 = 3,931.20/x
  3. Step 3: Cross multiply
    6,582.60x = 9,085.77 × 3,931.20
  4. Step 4: Simplify right side
    6,582.60x = 35,717,979.02
  5. Step 5: Solve for x
    x = 35,717,979.02/6,582.60
  6. Step 6: Final answer
    x = 5,426.12

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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.