Home / 4,688.89-6,470.40-2,564.00

Finding the Fourth Proportional to 4,688.89, 6,470.40 and 2,564.00

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Solution

The fourth proportional to 4,688.89, 6,470.40 and 2,564.00 is: 3,538.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,688.89 : 6,470.40 = 2,564.00 : x
  2. Step 2: Convert to fraction form
    4,688.89/6,470.40 = 2,564.00/x
  3. Step 3: Cross multiply
    4,688.89x = 6,470.40 × 2,564.00
  4. Step 4: Simplify right side
    4,688.89x = 16,590,082.86
  5. Step 5: Solve for x
    x = 16,590,082.86/4,688.89
  6. Step 6: Final answer
    x = 3,538.17

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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.