Home / 7,860.04-10,845.72-4,627.94

Finding the Fourth Proportional to 7,860.04, 10,845.72 and 4,627.94

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Solution

The fourth proportional to 7,860.04, 10,845.72 and 4,627.94 is: 6,385.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.04 : 10,845.72 = 4,627.94 : x
  2. Step 2: Convert to fraction form
    7,860.04/10,845.72 = 4,627.94/x
  3. Step 3: Cross multiply
    7,860.04x = 10,845.72 × 4,627.94
  4. Step 4: Simplify right side
    7,860.04x = 50,193,341.42
  5. Step 5: Solve for x
    x = 50,193,341.42/7,860.04
  6. Step 6: Final answer
    x = 6,385.89

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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.