Home / 6,865.18-10,290.93-4,785.71

Finding the Fourth Proportional to 6,865.18, 10,290.93 and 4,785.71

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Solution

The fourth proportional to 6,865.18, 10,290.93 and 4,785.71 is: 7,173.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,865.18 : 10,290.93 = 4,785.71 : x
  2. Step 2: Convert to fraction form
    6,865.18/10,290.93 = 4,785.71/x
  3. Step 3: Cross multiply
    6,865.18x = 10,290.93 × 4,785.71
  4. Step 4: Simplify right side
    6,865.18x = 49,249,422.02
  5. Step 5: Solve for x
    x = 49,249,422.02/6,865.18
  6. Step 6: Final answer
    x = 7,173.80

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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.