Home / 8,409.79-11,606.87-4,875.04

Finding the Fourth Proportional to 8,409.79, 11,606.87 and 4,875.04

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Solution

The fourth proportional to 8,409.79, 11,606.87 and 4,875.04 is: 6,728.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,409.79 : 11,606.87 = 4,875.04 : x
  2. Step 2: Convert to fraction form
    8,409.79/11,606.87 = 4,875.04/x
  3. Step 3: Cross multiply
    8,409.79x = 11,606.87 × 4,875.04
  4. Step 4: Simplify right side
    8,409.79x = 56,583,955.52
  5. Step 5: Solve for x
    x = 56,583,955.52/8,409.79
  6. Step 6: Final answer
    x = 6,728.34

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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.