Home / 5,688.18-7,849.98-4,288.50

Finding the Fourth Proportional to 5,688.18, 7,849.98 and 4,288.50

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Solution

The fourth proportional to 5,688.18, 7,849.98 and 4,288.50 is: 5,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.18 : 7,849.98 = 4,288.50 : x
  2. Step 2: Convert to fraction form
    5,688.18/7,849.98 = 4,288.50/x
  3. Step 3: Cross multiply
    5,688.18x = 7,849.98 × 4,288.50
  4. Step 4: Simplify right side
    5,688.18x = 33,664,639.23
  5. Step 5: Solve for x
    x = 33,664,639.23/5,688.18
  6. Step 6: Final answer
    x = 5,918.35

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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.