Home / 7,038.10-9,756.99-6,663.58

Finding the Fourth Proportional to 7,038.10, 9,756.99 and 6,663.58

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Solution

The fourth proportional to 7,038.10, 9,756.99 and 6,663.58 is: 9,237.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.10 : 9,756.99 = 6,663.58 : x
  2. Step 2: Convert to fraction form
    7,038.10/9,756.99 = 6,663.58/x
  3. Step 3: Cross multiply
    7,038.10x = 9,756.99 × 6,663.58
  4. Step 4: Simplify right side
    7,038.10x = 65,016,483.42
  5. Step 5: Solve for x
    x = 65,016,483.42/7,038.10
  6. Step 6: Final answer
    x = 9,237.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.