Home / 7,897.30-10,898.28-4,360.50

Finding the Fourth Proportional to 7,897.30, 10,898.28 and 4,360.50

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Solution

The fourth proportional to 7,897.30, 10,898.28 and 4,360.50 is: 6,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.30 : 10,898.28 = 4,360.50 : x
  2. Step 2: Convert to fraction form
    7,897.30/10,898.28 = 4,360.50/x
  3. Step 3: Cross multiply
    7,897.30x = 10,898.28 × 4,360.50
  4. Step 4: Simplify right side
    7,897.30x = 47,521,949.94
  5. Step 5: Solve for x
    x = 47,521,949.94/7,897.30
  6. Step 6: Final answer
    x = 6,017.50

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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.