Home / 6,455.61-9,688.23-2,507.49

Finding the Fourth Proportional to 6,455.61, 9,688.23 and 2,507.49

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Solution

The fourth proportional to 6,455.61, 9,688.23 and 2,507.49 is: 3,763.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.61 : 9,688.23 = 2,507.49 : x
  2. Step 2: Convert to fraction form
    6,455.61/9,688.23 = 2,507.49/x
  3. Step 3: Cross multiply
    6,455.61x = 9,688.23 × 2,507.49
  4. Step 4: Simplify right side
    6,455.61x = 24,293,139.84
  5. Step 5: Solve for x
    x = 24,293,139.84/6,455.61
  6. Step 6: Final answer
    x = 3,763.11

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1.5x scale

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.