Home / 4,897.71-6,756.33-3,127.45

Finding the Fourth Proportional to 4,897.71, 6,756.33 and 3,127.45

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Solution

The fourth proportional to 4,897.71, 6,756.33 and 3,127.45 is: 4,314.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,897.71 : 6,756.33 = 3,127.45 : x
  2. Step 2: Convert to fraction form
    4,897.71/6,756.33 = 3,127.45/x
  3. Step 3: Cross multiply
    4,897.71x = 6,756.33 × 3,127.45
  4. Step 4: Simplify right side
    4,897.71x = 21,130,084.26
  5. Step 5: Solve for x
    x = 21,130,084.26/4,897.71
  6. Step 6: Final answer
    x = 4,314.28

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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.