Home / 4,830.49-7,245.74-1,909.50

Finding the Fourth Proportional to 4,830.49, 7,245.74 and 1,909.50

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Solution

The fourth proportional to 4,830.49, 7,245.74 and 1,909.50 is: 2,864.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.49 : 7,245.74 = 1,909.50 : x
  2. Step 2: Convert to fraction form
    4,830.49/7,245.74 = 1,909.50/x
  3. Step 3: Cross multiply
    4,830.49x = 7,245.74 × 1,909.50
  4. Step 4: Simplify right side
    4,830.49x = 13,835,740.53
  5. Step 5: Solve for x
    x = 13,835,740.53/4,830.49
  6. Step 6: Final answer
    x = 2,864.25

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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.