Home / 7,690.19-10,612.46-4,502.90

Finding the Fourth Proportional to 7,690.19, 10,612.46 and 4,502.90

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Solution

The fourth proportional to 7,690.19, 10,612.46 and 4,502.90 is: 6,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.19 : 10,612.46 = 4,502.90 : x
  2. Step 2: Convert to fraction form
    7,690.19/10,612.46 = 4,502.90/x
  3. Step 3: Cross multiply
    7,690.19x = 10,612.46 × 4,502.90
  4. Step 4: Simplify right side
    7,690.19x = 47,786,883.92
  5. Step 5: Solve for x
    x = 47,786,883.92/7,690.19
  6. Step 6: Final answer
    x = 6,214.01

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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.