Home / 6,303.80-9,459.30-4,357.40

Finding the Fourth Proportional to 6,303.80, 9,459.30 and 4,357.40

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Solution

The fourth proportional to 6,303.80, 9,459.30 and 4,357.40 is: 6,538.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,303.80 : 9,459.30 = 4,357.40 : x
  2. Step 2: Convert to fraction form
    6,303.80/9,459.30 = 4,357.40/x
  3. Step 3: Cross multiply
    6,303.80x = 9,459.30 × 4,357.40
  4. Step 4: Simplify right side
    6,303.80x = 41,217,953.82
  5. Step 5: Solve for x
    x = 41,217,953.82/6,303.80
  6. Step 6: Final answer
    x = 6,538.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.