Home / 5,038.48-6,951.60-3,987.28

Finding the Fourth Proportional to 5,038.48, 6,951.60 and 3,987.28

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Solution

The fourth proportional to 5,038.48, 6,951.60 and 3,987.28 is: 5,501.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,038.48 : 6,951.60 = 3,987.28 : x
  2. Step 2: Convert to fraction form
    5,038.48/6,951.60 = 3,987.28/x
  3. Step 3: Cross multiply
    5,038.48x = 6,951.60 × 3,987.28
  4. Step 4: Simplify right side
    5,038.48x = 27,717,975.65
  5. Step 5: Solve for x
    x = 27,717,975.65/5,038.48
  6. Step 6: Final answer
    x = 5,501.26

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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.