Home / 8,423.48-11,624.28-4,888.70

Finding the Fourth Proportional to 8,423.48, 11,624.28 and 4,888.70

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Solution

The fourth proportional to 8,423.48, 11,624.28 and 4,888.70 is: 6,746.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,423.48 : 11,624.28 = 4,888.70 : x
  2. Step 2: Convert to fraction form
    8,423.48/11,624.28 = 4,888.70/x
  3. Step 3: Cross multiply
    8,423.48x = 11,624.28 × 4,888.70
  4. Step 4: Simplify right side
    8,423.48x = 56,827,617.64
  5. Step 5: Solve for x
    x = 56,827,617.64/8,423.48
  6. Step 6: Final answer
    x = 6,746.33

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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.