Home / 7,312.05-10,964.77-3,612.84

Finding the Fourth Proportional to 7,312.05, 10,964.77 and 3,612.84

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Solution

The fourth proportional to 7,312.05, 10,964.77 and 3,612.84 is: 5,417.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,312.05 : 10,964.77 = 3,612.84 : x
  2. Step 2: Convert to fraction form
    7,312.05/10,964.77 = 3,612.84/x
  3. Step 3: Cross multiply
    7,312.05x = 10,964.77 × 3,612.84
  4. Step 4: Simplify right side
    7,312.05x = 39,613,959.65
  5. Step 5: Solve for x
    x = 39,613,959.65/7,312.05
  6. Step 6: Final answer
    x = 5,417.63

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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.