Home / 5,679.60-8,518.59-1,783.50

Finding the Fourth Proportional to 5,679.60, 8,518.59 and 1,783.50

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Solution

The fourth proportional to 5,679.60, 8,518.59 and 1,783.50 is: 2,675.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.60 : 8,518.59 = 1,783.50 : x
  2. Step 2: Convert to fraction form
    5,679.60/8,518.59 = 1,783.50/x
  3. Step 3: Cross multiply
    5,679.60x = 8,518.59 × 1,783.50
  4. Step 4: Simplify right side
    5,679.60x = 15,192,905.27
  5. Step 5: Solve for x
    x = 15,192,905.27/5,679.60
  6. Step 6: Final answer
    x = 2,675.00

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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.