Home / 4,379.61-6,045.21-2,807.67

Finding the Fourth Proportional to 4,379.61, 6,045.21 and 2,807.67

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Solution

The fourth proportional to 4,379.61, 6,045.21 and 2,807.67 is: 3,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,379.61 : 6,045.21 = 2,807.67 : x
  2. Step 2: Convert to fraction form
    4,379.61/6,045.21 = 2,807.67/x
  3. Step 3: Cross multiply
    4,379.61x = 6,045.21 × 2,807.67
  4. Step 4: Simplify right side
    4,379.61x = 16,972,954.76
  5. Step 5: Solve for x
    x = 16,972,954.76/4,379.61
  6. Step 6: Final answer
    x = 3,875.45

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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.