Home / 4,613.49-6,919.16-1,326.51

Finding the Fourth Proportional to 4,613.49, 6,919.16 and 1,326.51

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Solution

The fourth proportional to 4,613.49, 6,919.16 and 1,326.51 is: 1,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,613.49 : 6,919.16 = 1,326.51 : x
  2. Step 2: Convert to fraction form
    4,613.49/6,919.16 = 1,326.51/x
  3. Step 3: Cross multiply
    4,613.49x = 6,919.16 × 1,326.51
  4. Step 4: Simplify right side
    4,613.49x = 9,178,328.30
  5. Step 5: Solve for x
    x = 9,178,328.30/4,613.49
  6. Step 6: Final answer
    x = 1,989.45

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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.