Home / 8,814.78-12,164.63-5,038.56

Finding the Fourth Proportional to 8,814.78, 12,164.63 and 5,038.56

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Solution

The fourth proportional to 8,814.78, 12,164.63 and 5,038.56 is: 6,953.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.78 : 12,164.63 = 5,038.56 : x
  2. Step 2: Convert to fraction form
    8,814.78/12,164.63 = 5,038.56/x
  3. Step 3: Cross multiply
    8,814.78x = 12,164.63 × 5,038.56
  4. Step 4: Simplify right side
    8,814.78x = 61,292,192.94
  5. Step 5: Solve for x
    x = 61,292,192.94/8,814.78
  6. Step 6: Final answer
    x = 6,953.34

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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.