Home / 6,521.40-9,010.26-5,134.68

Finding the Fourth Proportional to 6,521.40, 9,010.26 and 5,134.68

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Solution

The fourth proportional to 6,521.40, 9,010.26 and 5,134.68 is: 7,094.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.40 : 9,010.26 = 5,134.68 : x
  2. Step 2: Convert to fraction form
    6,521.40/9,010.26 = 5,134.68/x
  3. Step 3: Cross multiply
    6,521.40x = 9,010.26 × 5,134.68
  4. Step 4: Simplify right side
    6,521.40x = 46,264,801.82
  5. Step 5: Solve for x
    x = 46,264,801.82/6,521.40
  6. Step 6: Final answer
    x = 7,094.31

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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.