Home / 5,089.80-7,009.56-4,376.46

Finding the Fourth Proportional to 5,089.80, 7,009.56 and 4,376.46

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Solution

The fourth proportional to 5,089.80, 7,009.56 and 4,376.46 is: 6,027.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.80 : 7,009.56 = 4,376.46 : x
  2. Step 2: Convert to fraction form
    5,089.80/7,009.56 = 4,376.46/x
  3. Step 3: Cross multiply
    5,089.80x = 7,009.56 × 4,376.46
  4. Step 4: Simplify right side
    5,089.80x = 30,677,058.96
  5. Step 5: Solve for x
    x = 30,677,058.96/5,089.80
  6. Step 6: Final answer
    x = 6,027.16

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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.