Home / 7,845.95-10,830.50-4,701.53

Finding the Fourth Proportional to 7,845.95, 10,830.50 and 4,701.53

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Solution

The fourth proportional to 7,845.95, 10,830.50 and 4,701.53 is: 6,489.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.95 : 10,830.50 = 4,701.53 : x
  2. Step 2: Convert to fraction form
    7,845.95/10,830.50 = 4,701.53/x
  3. Step 3: Cross multiply
    7,845.95x = 10,830.50 × 4,701.53
  4. Step 4: Simplify right side
    7,845.95x = 50,919,897.16
  5. Step 5: Solve for x
    x = 50,919,897.16/7,845.95
  6. Step 6: Final answer
    x = 6,489.96

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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.