Home / 7,620.12-10,515.74-4,263.08

Finding the Fourth Proportional to 7,620.12, 10,515.74 and 4,263.08

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Solution

The fourth proportional to 7,620.12, 10,515.74 and 4,263.08 is: 5,883.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.12 : 10,515.74 = 4,263.08 : x
  2. Step 2: Convert to fraction form
    7,620.12/10,515.74 = 4,263.08/x
  3. Step 3: Cross multiply
    7,620.12x = 10,515.74 × 4,263.08
  4. Step 4: Simplify right side
    7,620.12x = 44,829,366.99
  5. Step 5: Solve for x
    x = 44,829,366.99/7,620.12
  6. Step 6: Final answer
    x = 5,883.03

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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.