Home / 7,038.64-10,557.76-2,877.48

Finding the Fourth Proportional to 7,038.64, 10,557.76 and 2,877.48

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Solution

The fourth proportional to 7,038.64, 10,557.76 and 2,877.48 is: 4,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.64 : 10,557.76 = 2,877.48 : x
  2. Step 2: Convert to fraction form
    7,038.64/10,557.76 = 2,877.48/x
  3. Step 3: Cross multiply
    7,038.64x = 10,557.76 × 2,877.48
  4. Step 4: Simplify right side
    7,038.64x = 30,379,743.24
  5. Step 5: Solve for x
    x = 30,379,743.24/7,038.64
  6. Step 6: Final answer
    x = 4,316.14

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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.