Home / 7,189.48-10,777.74-4,261.74

Finding the Fourth Proportional to 7,189.48, 10,777.74 and 4,261.74

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Solution

The fourth proportional to 7,189.48, 10,777.74 and 4,261.74 is: 6,388.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.48 : 10,777.74 = 4,261.74 : x
  2. Step 2: Convert to fraction form
    7,189.48/10,777.74 = 4,261.74/x
  3. Step 3: Cross multiply
    7,189.48x = 10,777.74 × 4,261.74
  4. Step 4: Simplify right side
    7,189.48x = 45,931,925.67
  5. Step 5: Solve for x
    x = 45,931,925.67/7,189.48
  6. Step 6: Final answer
    x = 6,388.77

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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.