Home / 8,916.09-12,303.81-4,936.98

Finding the Fourth Proportional to 8,916.09, 12,303.81 and 4,936.98

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Solution

The fourth proportional to 8,916.09, 12,303.81 and 4,936.98 is: 6,812.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.09 : 12,303.81 = 4,936.98 : x
  2. Step 2: Convert to fraction form
    8,916.09/12,303.81 = 4,936.98/x
  3. Step 3: Cross multiply
    8,916.09x = 12,303.81 × 4,936.98
  4. Step 4: Simplify right side
    8,916.09x = 60,743,663.89
  5. Step 5: Solve for x
    x = 60,743,663.89/8,916.09
  6. Step 6: Final answer
    x = 6,812.81

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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.