Home / 5,590.43-7,715.53-3,606.76

Finding the Fourth Proportional to 5,590.43, 7,715.53 and 3,606.76

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Solution

The fourth proportional to 5,590.43, 7,715.53 and 3,606.76 is: 4,977.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,590.43 : 7,715.53 = 3,606.76 : x
  2. Step 2: Convert to fraction form
    5,590.43/7,715.53 = 3,606.76/x
  3. Step 3: Cross multiply
    5,590.43x = 7,715.53 × 3,606.76
  4. Step 4: Simplify right side
    5,590.43x = 27,828,068.99
  5. Step 5: Solve for x
    x = 27,828,068.99/5,590.43
  6. Step 6: Final answer
    x = 4,977.80

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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.