Home / 5,303.48-7,319.01-3,628.40

Finding the Fourth Proportional to 5,303.48, 7,319.01 and 3,628.40

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Solution

The fourth proportional to 5,303.48, 7,319.01 and 3,628.40 is: 5,007.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,303.48 : 7,319.01 = 3,628.40 : x
  2. Step 2: Convert to fraction form
    5,303.48/7,319.01 = 3,628.40/x
  3. Step 3: Cross multiply
    5,303.48x = 7,319.01 × 3,628.40
  4. Step 4: Simplify right side
    5,303.48x = 26,556,295.88
  5. Step 5: Solve for x
    x = 26,556,295.88/5,303.48
  6. Step 6: Final answer
    x = 5,007.33

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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.