Home / 4,987.53-7,484.75-1,985.26

Finding the Fourth Proportional to 4,987.53, 7,484.75 and 1,985.26

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Solution

The fourth proportional to 4,987.53, 7,484.75 and 1,985.26 is: 2,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.53 : 7,484.75 = 1,985.26 : x
  2. Step 2: Convert to fraction form
    4,987.53/7,484.75 = 1,985.26/x
  3. Step 3: Cross multiply
    4,987.53x = 7,484.75 × 1,985.26
  4. Step 4: Simplify right side
    4,987.53x = 14,859,174.79
  5. Step 5: Solve for x
    x = 14,859,174.79/4,987.53
  6. Step 6: Final answer
    x = 2,979.27

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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.