Home / 6,774.40-10,161.60-4,700.80

Finding the Fourth Proportional to 6,774.40, 10,161.60 and 4,700.80

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Solution

The fourth proportional to 6,774.40, 10,161.60 and 4,700.80 is: 7,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,774.40 : 10,161.60 = 4,700.80 : x
  2. Step 2: Convert to fraction form
    6,774.40/10,161.60 = 4,700.80/x
  3. Step 3: Cross multiply
    6,774.40x = 10,161.60 × 4,700.80
  4. Step 4: Simplify right side
    6,774.40x = 47,767,649.28
  5. Step 5: Solve for x
    x = 47,767,649.28/6,774.40
  6. Step 6: Final answer
    x = 7,051.20

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1.5x scale

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.