Home / 5,320.63-7,339.08-3,528.10

Finding the Fourth Proportional to 5,320.63, 7,339.08 and 3,528.10

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Solution

The fourth proportional to 5,320.63, 7,339.08 and 3,528.10 is: 4,866.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,320.63 : 7,339.08 = 3,528.10 : x
  2. Step 2: Convert to fraction form
    5,320.63/7,339.08 = 3,528.10/x
  3. Step 3: Cross multiply
    5,320.63x = 7,339.08 × 3,528.10
  4. Step 4: Simplify right side
    5,320.63x = 25,893,008.15
  5. Step 5: Solve for x
    x = 25,893,008.15/5,320.63
  6. Step 6: Final answer
    x = 4,866.53

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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.