Home / 6,424.84-8,870.66-4,861.48

Finding the Fourth Proportional to 6,424.84, 8,870.66 and 4,861.48

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Solution

The fourth proportional to 6,424.84, 8,870.66 and 4,861.48 is: 6,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,424.84 : 8,870.66 = 4,861.48 : x
  2. Step 2: Convert to fraction form
    6,424.84/8,870.66 = 4,861.48/x
  3. Step 3: Cross multiply
    6,424.84x = 8,870.66 × 4,861.48
  4. Step 4: Simplify right side
    6,424.84x = 43,124,536.18
  5. Step 5: Solve for x
    x = 43,124,536.18/6,424.84
  6. Step 6: Final answer
    x = 6,712.16

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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.