Home / 7,860.48-10,847.43-4,503.13

Finding the Fourth Proportional to 7,860.48, 10,847.43 and 4,503.13

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Solution

The fourth proportional to 7,860.48, 10,847.43 and 4,503.13 is: 6,214.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,860.48 : 10,847.43 = 4,503.13 : x
  2. Step 2: Convert to fraction form
    7,860.48/10,847.43 = 4,503.13/x
  3. Step 3: Cross multiply
    7,860.48x = 10,847.43 × 4,503.13
  4. Step 4: Simplify right side
    7,860.48x = 48,847,387.46
  5. Step 5: Solve for x
    x = 48,847,387.46/7,860.48
  6. Step 6: Final answer
    x = 6,214.30

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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.