Home / 6,318.87-9,515.06-4,686.99

Finding the Fourth Proportional to 6,318.87, 9,515.06 and 4,686.99

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Solution

The fourth proportional to 6,318.87, 9,515.06 and 4,686.99 is: 7,057.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,318.87 : 9,515.06 = 4,686.99 : x
  2. Step 2: Convert to fraction form
    6,318.87/9,515.06 = 4,686.99/x
  3. Step 3: Cross multiply
    6,318.87x = 9,515.06 × 4,686.99
  4. Step 4: Simplify right side
    6,318.87x = 44,596,967.63
  5. Step 5: Solve for x
    x = 44,596,967.63/6,318.87
  6. Step 6: Final answer
    x = 7,057.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.