Home / 7,856.12-10,841.64-4,271.31

Finding the Fourth Proportional to 7,856.12, 10,841.64 and 4,271.31

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Solution

The fourth proportional to 7,856.12, 10,841.64 and 4,271.31 is: 5,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856.12 : 10,841.64 = 4,271.31 : x
  2. Step 2: Convert to fraction form
    7,856.12/10,841.64 = 4,271.31/x
  3. Step 3: Cross multiply
    7,856.12x = 10,841.64 × 4,271.31
  4. Step 4: Simplify right side
    7,856.12x = 46,308,005.35
  5. Step 5: Solve for x
    x = 46,308,005.35/7,856.12
  6. Step 6: Final answer
    x = 5,894.52

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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.