Home / 6,360.45-8,778.51-3,707.84

Finding the Fourth Proportional to 6,360.45, 8,778.51 and 3,707.84

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Solution

The fourth proportional to 6,360.45, 8,778.51 and 3,707.84 is: 5,117.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,360.45 : 8,778.51 = 3,707.84 : x
  2. Step 2: Convert to fraction form
    6,360.45/8,778.51 = 3,707.84/x
  3. Step 3: Cross multiply
    6,360.45x = 8,778.51 × 3,707.84
  4. Step 4: Simplify right side
    6,360.45x = 32,549,266.63
  5. Step 5: Solve for x
    x = 32,549,266.63/6,360.45
  6. Step 6: Final answer
    x = 5,117.45

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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.