Home / 4,875.96-7,296.93-3,988.20

Finding the Fourth Proportional to 4,875.96, 7,296.93 and 3,988.20

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Solution

The fourth proportional to 4,875.96, 7,296.93 and 3,988.20 is: 5,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,875.96 : 7,296.93 = 3,988.20 : x
  2. Step 2: Convert to fraction form
    4,875.96/7,296.93 = 3,988.20/x
  3. Step 3: Cross multiply
    4,875.96x = 7,296.93 × 3,988.20
  4. Step 4: Simplify right side
    4,875.96x = 29,101,616.23
  5. Step 5: Solve for x
    x = 29,101,616.23/4,875.96
  6. Step 6: Final answer
    x = 5,968.39

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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.