Home / 7,865.55-10,854.46-4,328.68

Finding the Fourth Proportional to 7,865.55, 10,854.46 and 4,328.68

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Solution

The fourth proportional to 7,865.55, 10,854.46 and 4,328.68 is: 5,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.55 : 10,854.46 = 4,328.68 : x
  2. Step 2: Convert to fraction form
    7,865.55/10,854.46 = 4,328.68/x
  3. Step 3: Cross multiply
    7,865.55x = 10,854.46 × 4,328.68
  4. Step 4: Simplify right side
    7,865.55x = 46,985,500.23
  5. Step 5: Solve for x
    x = 46,985,500.23/7,865.55
  6. Step 6: Final answer
    x = 5,973.58

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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.