Home / 5,624.64-8,429.58-4,890.72

Finding the Fourth Proportional to 5,624.64, 8,429.58 and 4,890.72

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Solution

The fourth proportional to 5,624.64, 8,429.58 and 4,890.72 is: 7,329.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,624.64 : 8,429.58 = 4,890.72 : x
  2. Step 2: Convert to fraction form
    5,624.64/8,429.58 = 4,890.72/x
  3. Step 3: Cross multiply
    5,624.64x = 8,429.58 × 4,890.72
  4. Step 4: Simplify right side
    5,624.64x = 41,226,715.50
  5. Step 5: Solve for x
    x = 41,226,715.50/5,624.64
  6. Step 6: Final answer
    x = 7,329.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.