Home / 8,423.34-11,624.25-4,646.31

Finding the Fourth Proportional to 8,423.34, 11,624.25 and 4,646.31

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Solution

The fourth proportional to 8,423.34, 11,624.25 and 4,646.31 is: 6,411.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.34 : 11,624.25 = 4,646.31 : x
  2. Step 2: Convert to fraction form
    8,423.34/11,624.25 = 4,646.31/x
  3. Step 3: Cross multiply
    8,423.34x = 11,624.25 × 4,646.31
  4. Step 4: Simplify right side
    8,423.34x = 54,009,869.02
  5. Step 5: Solve for x
    x = 54,009,869.02/8,423.34
  6. Step 6: Final answer
    x = 6,411.93

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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.