Home / 7,845.40-10,826.22-4,307.95

Finding the Fourth Proportional to 7,845.40, 10,826.22 and 4,307.95

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Solution

The fourth proportional to 7,845.40, 10,826.22 and 4,307.95 is: 5,944.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.40 : 10,826.22 = 4,307.95 : x
  2. Step 2: Convert to fraction form
    7,845.40/10,826.22 = 4,307.95/x
  3. Step 3: Cross multiply
    7,845.40x = 10,826.22 × 4,307.95
  4. Step 4: Simplify right side
    7,845.40x = 46,638,814.45
  5. Step 5: Solve for x
    x = 46,638,814.45/7,845.40
  6. Step 6: Final answer
    x = 5,944.73

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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.