Home / 6,455.10-8,907.76-3,802.62

Finding the Fourth Proportional to 6,455.10, 8,907.76 and 3,802.62

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Solution

The fourth proportional to 6,455.10, 8,907.76 and 3,802.62 is: 5,247.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.10 : 8,907.76 = 3,802.62 : x
  2. Step 2: Convert to fraction form
    6,455.10/8,907.76 = 3,802.62/x
  3. Step 3: Cross multiply
    6,455.10x = 8,907.76 × 3,802.62
  4. Step 4: Simplify right side
    6,455.10x = 33,872,826.33
  5. Step 5: Solve for x
    x = 33,872,826.33/6,455.10
  6. Step 6: Final answer
    x = 5,247.45

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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.