Home / 5,045.85-7,569.79-1,758.06

Finding the Fourth Proportional to 5,045.85, 7,569.79 and 1,758.06

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Solution

The fourth proportional to 5,045.85, 7,569.79 and 1,758.06 is: 2,637.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,045.85 : 7,569.79 = 1,758.06 : x
  2. Step 2: Convert to fraction form
    5,045.85/7,569.79 = 1,758.06/x
  3. Step 3: Cross multiply
    5,045.85x = 7,569.79 × 1,758.06
  4. Step 4: Simplify right side
    5,045.85x = 13,308,168.33
  5. Step 5: Solve for x
    x = 13,308,168.33/5,045.85
  6. Step 6: Final answer
    x = 2,637.45

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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.