Home / 5,715.77-7,885.53-3,590.39

Finding the Fourth Proportional to 5,715.77, 7,885.53 and 3,590.39

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Solution

The fourth proportional to 5,715.77, 7,885.53 and 3,590.39 is: 4,953.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.77 : 7,885.53 = 3,590.39 : x
  2. Step 2: Convert to fraction form
    5,715.77/7,885.53 = 3,590.39/x
  3. Step 3: Cross multiply
    5,715.77x = 7,885.53 × 3,590.39
  4. Step 4: Simplify right side
    5,715.77x = 28,312,088.63
  5. Step 5: Solve for x
    x = 28,312,088.63/5,715.77
  6. Step 6: Final answer
    x = 4,953.33

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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.