Home / 6,905-10,331.58-4,295.72

Finding the Fourth Proportional to 6,905, 10,331.58 and 4,295.72

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Solution

The fourth proportional to 6,905, 10,331.58 and 4,295.72 is: 6,427.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,905 : 10,331.58 = 4,295.72 : x
  2. Step 2: Convert to fraction form
    6,905/10,331.58 = 4,295.72/x
  3. Step 3: Cross multiply
    6,905x = 10,331.58 × 4,295.72
  4. Step 4: Simplify right side
    6,905x = 44,381,574.84
  5. Step 5: Solve for x
    x = 44,381,574.84/6,905
  6. Step 6: Final answer
    x = 6,427.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.