Home / 4,390.34-6,588.54-1,925.91

Finding the Fourth Proportional to 4,390.34, 6,588.54 and 1,925.91

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Solution

The fourth proportional to 4,390.34, 6,588.54 and 1,925.91 is: 2,890.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,390.34 : 6,588.54 = 1,925.91 : x
  2. Step 2: Convert to fraction form
    4,390.34/6,588.54 = 1,925.91/x
  3. Step 3: Cross multiply
    4,390.34x = 6,588.54 × 1,925.91
  4. Step 4: Simplify right side
    4,390.34x = 12,688,935.07
  5. Step 5: Solve for x
    x = 12,688,935.07/4,390.34
  6. Step 6: Final answer
    x = 2,890.20

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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.