Home / 9,106.49-12,567.35-5,127.84

Finding the Fourth Proportional to 9,106.49, 12,567.35 and 5,127.84

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Solution

The fourth proportional to 9,106.49, 12,567.35 and 5,127.84 is: 7,076.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.49 : 12,567.35 = 5,127.84 : x
  2. Step 2: Convert to fraction form
    9,106.49/12,567.35 = 5,127.84/x
  3. Step 3: Cross multiply
    9,106.49x = 12,567.35 × 5,127.84
  4. Step 4: Simplify right side
    9,106.49x = 64,443,372.84
  5. Step 5: Solve for x
    x = 64,443,372.84/9,106.49
  6. Step 6: Final answer
    x = 7,076.64

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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.