Home / 6,315.27-8,709.93-5,557.41

Finding the Fourth Proportional to 6,315.27, 8,709.93 and 5,557.41

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Solution

The fourth proportional to 6,315.27, 8,709.93 and 5,557.41 is: 7,664.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,315.27 : 8,709.93 = 5,557.41 : x
  2. Step 2: Convert to fraction form
    6,315.27/8,709.93 = 5,557.41/x
  3. Step 3: Cross multiply
    6,315.27x = 8,709.93 × 5,557.41
  4. Step 4: Simplify right side
    6,315.27x = 48,404,652.08
  5. Step 5: Solve for x
    x = 48,404,652.08/6,315.27
  6. Step 6: Final answer
    x = 7,664.70

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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.