Home / 6,187.86-9,281.81-4,347.20

Finding the Fourth Proportional to 6,187.86, 9,281.81 and 4,347.20

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Solution

The fourth proportional to 6,187.86, 9,281.81 and 4,347.20 is: 6,520.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.86 : 9,281.81 = 4,347.20 : x
  2. Step 2: Convert to fraction form
    6,187.86/9,281.81 = 4,347.20/x
  3. Step 3: Cross multiply
    6,187.86x = 9,281.81 × 4,347.20
  4. Step 4: Simplify right side
    6,187.86x = 40,349,816.29
  5. Step 5: Solve for x
    x = 40,349,816.29/6,187.86
  6. Step 6: Final answer
    x = 6,520.80

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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.