Home / 7,620.57-11,430.95-2,426.45

Finding the Fourth Proportional to 7,620.57, 11,430.95 and 2,426.45

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Solution

The fourth proportional to 7,620.57, 11,430.95 and 2,426.45 is: 3,639.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,620.57 : 11,430.95 = 2,426.45 : x
  2. Step 2: Convert to fraction form
    7,620.57/11,430.95 = 2,426.45/x
  3. Step 3: Cross multiply
    7,620.57x = 11,430.95 × 2,426.45
  4. Step 4: Simplify right side
    7,620.57x = 27,736,559.34
  5. Step 5: Solve for x
    x = 27,736,559.34/7,620.57
  6. Step 6: Final answer
    x = 3,639.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.