Home / 5,316.64-7,973.68-2,580

Finding the Fourth Proportional to 5,316.64, 7,973.68 and 2,580

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Solution

The fourth proportional to 5,316.64, 7,973.68 and 2,580 is: 3,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,316.64 : 7,973.68 = 2,580 : x
  2. Step 2: Convert to fraction form
    5,316.64/7,973.68 = 2,580/x
  3. Step 3: Cross multiply
    5,316.64x = 7,973.68 × 2,580
  4. Step 4: Simplify right side
    5,316.64x = 20,572,094.40
  5. Step 5: Solve for x
    x = 20,572,094.40/5,316.64
  6. Step 6: Final answer
    x = 3,869.38

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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.