Home / 8,320.61-11,482.25-4,783.74

Finding the Fourth Proportional to 8,320.61, 11,482.25 and 4,783.74

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Solution

The fourth proportional to 8,320.61, 11,482.25 and 4,783.74 is: 6,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,320.61 : 11,482.25 = 4,783.74 : x
  2. Step 2: Convert to fraction form
    8,320.61/11,482.25 = 4,783.74/x
  3. Step 3: Cross multiply
    8,320.61x = 11,482.25 × 4,783.74
  4. Step 4: Simplify right side
    8,320.61x = 54,928,074.70
  5. Step 5: Solve for x
    x = 54,928,074.70/8,320.61
  6. Step 6: Final answer
    x = 6,601.45

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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.