Home / 4,385.40-6,045.56-2,705.67

Finding the Fourth Proportional to 4,385.40, 6,045.56 and 2,705.67

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Solution

The fourth proportional to 4,385.40, 6,045.56 and 2,705.67 is: 3,729.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.40 : 6,045.56 = 2,705.67 : x
  2. Step 2: Convert to fraction form
    4,385.40/6,045.56 = 2,705.67/x
  3. Step 3: Cross multiply
    4,385.40x = 6,045.56 × 2,705.67
  4. Step 4: Simplify right side
    4,385.40x = 16,357,276.80
  5. Step 5: Solve for x
    x = 16,357,276.80/4,385.40
  6. Step 6: Final answer
    x = 3,729.94

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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.