Home / 7,863.63-10,848.66-5,030.34

Finding the Fourth Proportional to 7,863.63, 10,848.66 and 5,030.34

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Solution

The fourth proportional to 7,863.63, 10,848.66 and 5,030.34 is: 6,939.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863.63 : 10,848.66 = 5,030.34 : x
  2. Step 2: Convert to fraction form
    7,863.63/10,848.66 = 5,030.34/x
  3. Step 3: Cross multiply
    7,863.63x = 10,848.66 × 5,030.34
  4. Step 4: Simplify right side
    7,863.63x = 54,572,448.34
  5. Step 5: Solve for x
    x = 54,572,448.34/7,863.63
  6. Step 6: Final answer
    x = 6,939.85

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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.