Home / 6,856.60-9,477.66-6,312.28

Finding the Fourth Proportional to 6,856.60, 9,477.66 and 6,312.28

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Solution

The fourth proportional to 6,856.60, 9,477.66 and 6,312.28 is: 8,725.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.60 : 9,477.66 = 6,312.28 : x
  2. Step 2: Convert to fraction form
    6,856.60/9,477.66 = 6,312.28/x
  3. Step 3: Cross multiply
    6,856.60x = 9,477.66 × 6,312.28
  4. Step 4: Simplify right side
    6,856.60x = 59,825,643.66
  5. Step 5: Solve for x
    x = 59,825,643.66/6,856.60
  6. Step 6: Final answer
    x = 8,725.26

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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.