Home / 5,417.48-8,128.23-3,313.42

Finding the Fourth Proportional to 5,417.48, 8,128.23 and 3,313.42

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Solution

The fourth proportional to 5,417.48, 8,128.23 and 3,313.42 is: 4,971.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,417.48 : 8,128.23 = 3,313.42 : x
  2. Step 2: Convert to fraction form
    5,417.48/8,128.23 = 3,313.42/x
  3. Step 3: Cross multiply
    5,417.48x = 8,128.23 × 3,313.42
  4. Step 4: Simplify right side
    5,417.48x = 26,932,225.74
  5. Step 5: Solve for x
    x = 26,932,225.74/5,417.48
  6. Step 6: Final answer
    x = 4,971.36

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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.