Home / 5,385.64-8,097.18-4,705.96

Finding the Fourth Proportional to 5,385.64, 8,097.18 and 4,705.96

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Solution

The fourth proportional to 5,385.64, 8,097.18 and 4,705.96 is: 7,075.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,385.64 : 8,097.18 = 4,705.96 : x
  2. Step 2: Convert to fraction form
    5,385.64/8,097.18 = 4,705.96/x
  3. Step 3: Cross multiply
    5,385.64x = 8,097.18 × 4,705.96
  4. Step 4: Simplify right side
    5,385.64x = 38,105,005.19
  5. Step 5: Solve for x
    x = 38,105,005.19/5,385.64
  6. Step 6: Final answer
    x = 7,075.30

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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.