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Finding the Fourth Proportional to 7,030.08, 9,703.95 and 4,519.08

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Solution

The fourth proportional to 7,030.08, 9,703.95 and 4,519.08 is: 6,237.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,030.08 : 9,703.95 = 4,519.08 : x
  2. Step 2: Convert to fraction form
    7,030.08/9,703.95 = 4,519.08/x
  3. Step 3: Cross multiply
    7,030.08x = 9,703.95 × 4,519.08
  4. Step 4: Simplify right side
    7,030.08x = 43,852,926.37
  5. Step 5: Solve for x
    x = 43,852,926.37/7,030.08
  6. Step 6: Final answer
    x = 6,237.90

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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.