Home / 6,865.89-9,465.23-4,875.72

Finding the Fourth Proportional to 6,865.89, 9,465.23 and 4,875.72

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Solution

The fourth proportional to 6,865.89, 9,465.23 and 4,875.72 is: 6,721.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.89 : 9,465.23 = 4,875.72 : x
  2. Step 2: Convert to fraction form
    6,865.89/9,465.23 = 4,875.72/x
  3. Step 3: Cross multiply
    6,865.89x = 9,465.23 × 4,875.72
  4. Step 4: Simplify right side
    6,865.89x = 46,149,786.84
  5. Step 5: Solve for x
    x = 46,149,786.84/6,865.89
  6. Step 6: Final answer
    x = 6,721.60

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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.