Home / 5,230.26-7,840.28-1,897.50

Finding the Fourth Proportional to 5,230.26, 7,840.28 and 1,897.50

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Solution

The fourth proportional to 5,230.26, 7,840.28 and 1,897.50 is: 2,844.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,230.26 : 7,840.28 = 1,897.50 : x
  2. Step 2: Convert to fraction form
    5,230.26/7,840.28 = 1,897.50/x
  3. Step 3: Cross multiply
    5,230.26x = 7,840.28 × 1,897.50
  4. Step 4: Simplify right side
    5,230.26x = 14,876,931.30
  5. Step 5: Solve for x
    x = 14,876,931.30/5,230.26
  6. Step 6: Final answer
    x = 2,844.40

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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.