Home / 5,613.40-8,417.96-1,864.48

Finding the Fourth Proportional to 5,613.40, 8,417.96 and 1,864.48

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Solution

The fourth proportional to 5,613.40, 8,417.96 and 1,864.48 is: 2,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.40 : 8,417.96 = 1,864.48 : x
  2. Step 2: Convert to fraction form
    5,613.40/8,417.96 = 1,864.48/x
  3. Step 3: Cross multiply
    5,613.40x = 8,417.96 × 1,864.48
  4. Step 4: Simplify right side
    5,613.40x = 15,695,118.06
  5. Step 5: Solve for x
    x = 15,695,118.06/5,613.40
  6. Step 6: Final answer
    x = 2,796.01

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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.