Home / 7,897.40-10,898.28-4,312.24

Finding the Fourth Proportional to 7,897.40, 10,898.28 and 4,312.24

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Solution

The fourth proportional to 7,897.40, 10,898.28 and 4,312.24 is: 5,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,897.40 : 10,898.28 = 4,312.24 : x
  2. Step 2: Convert to fraction form
    7,897.40/10,898.28 = 4,312.24/x
  3. Step 3: Cross multiply
    7,897.40x = 10,898.28 × 4,312.24
  4. Step 4: Simplify right side
    7,897.40x = 46,995,971.70
  5. Step 5: Solve for x
    x = 46,995,971.70/7,897.40
  6. Step 6: Final answer
    x = 5,950.82

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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.