Home / 4,188.30-6,280.58-3,013.40

Finding the Fourth Proportional to 4,188.30, 6,280.58 and 3,013.40

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Solution

The fourth proportional to 4,188.30, 6,280.58 and 3,013.40 is: 4,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.30 : 6,280.58 = 3,013.40 : x
  2. Step 2: Convert to fraction form
    4,188.30/6,280.58 = 3,013.40/x
  3. Step 3: Cross multiply
    4,188.30x = 6,280.58 × 3,013.40
  4. Step 4: Simplify right side
    4,188.30x = 18,925,875.90
  5. Step 5: Solve for x
    x = 18,925,875.90/4,188.30
  6. Step 6: Final answer
    x = 4,518.75

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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.