Home / 8,850.10-12,210.93-5,702.50

Finding the Fourth Proportional to 8,850.10, 12,210.93 and 5,702.50

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Solution

The fourth proportional to 8,850.10, 12,210.93 and 5,702.50 is: 7,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,850.10 : 12,210.93 = 5,702.50 : x
  2. Step 2: Convert to fraction form
    8,850.10/12,210.93 = 5,702.50/x
  3. Step 3: Cross multiply
    8,850.10x = 12,210.93 × 5,702.50
  4. Step 4: Simplify right side
    8,850.10x = 69,632,828.33
  5. Step 5: Solve for x
    x = 69,632,828.33/8,850.10
  6. Step 6: Final answer
    x = 7,868.03

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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.