Home / 10,649.36-15,966.40-4,070

Finding the Fourth Proportional to 10,649.36, 15,966.40 and 4,070

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Solution

The fourth proportional to 10,649.36, 15,966.40 and 4,070 is: 6,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,649.36 : 15,966.40 = 4,070 : x
  2. Step 2: Convert to fraction form
    10,649.36/15,966.40 = 4,070/x
  3. Step 3: Cross multiply
    10,649.36x = 15,966.40 × 4,070
  4. Step 4: Simplify right side
    10,649.36x = 64,983,248
  5. Step 5: Solve for x
    x = 64,983,248/10,649.36
  6. Step 6: Final answer
    x = 6,102.08

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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.