Home / 7,038.83-9,709.35-4,648.82

Finding the Fourth Proportional to 7,038.83, 9,709.35 and 4,648.82

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Solution

The fourth proportional to 7,038.83, 9,709.35 and 4,648.82 is: 6,412.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038.83 : 9,709.35 = 4,648.82 : x
  2. Step 2: Convert to fraction form
    7,038.83/9,709.35 = 4,648.82/x
  3. Step 3: Cross multiply
    7,038.83x = 9,709.35 × 4,648.82
  4. Step 4: Simplify right side
    7,038.83x = 45,137,020.47
  5. Step 5: Solve for x
    x = 45,137,020.47/7,038.83
  6. Step 6: Final answer
    x = 6,412.57

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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.