Home / 6,458.08-9,688.70-2,075.96

Finding the Fourth Proportional to 6,458.08, 9,688.70 and 2,075.96

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Solution

The fourth proportional to 6,458.08, 9,688.70 and 2,075.96 is: 3,114.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,458.08 : 9,688.70 = 2,075.96 : x
  2. Step 2: Convert to fraction form
    6,458.08/9,688.70 = 2,075.96/x
  3. Step 3: Cross multiply
    6,458.08x = 9,688.70 × 2,075.96
  4. Step 4: Simplify right side
    6,458.08x = 20,113,353.65
  5. Step 5: Solve for x
    x = 20,113,353.65/6,458.08
  6. Step 6: Final answer
    x = 3,114.45

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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.