Home / 7,690.15-10,612.41-4,153.36

Finding the Fourth Proportional to 7,690.15, 10,612.41 and 4,153.36

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Solution

The fourth proportional to 7,690.15, 10,612.41 and 4,153.36 is: 5,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.15 : 10,612.41 = 4,153.36 : x
  2. Step 2: Convert to fraction form
    7,690.15/10,612.41 = 4,153.36/x
  3. Step 3: Cross multiply
    7,690.15x = 10,612.41 × 4,153.36
  4. Step 4: Simplify right side
    7,690.15x = 44,077,148.67
  5. Step 5: Solve for x
    x = 44,077,148.67/7,690.15
  6. Step 6: Final answer
    x = 5,731.64

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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.