Home / 7,017.60-10,528.80-3,124.68

Finding the Fourth Proportional to 7,017.60, 10,528.80 and 3,124.68

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Solution

The fourth proportional to 7,017.60, 10,528.80 and 3,124.68 is: 4,688.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,017.60 : 10,528.80 = 3,124.68 : x
  2. Step 2: Convert to fraction form
    7,017.60/10,528.80 = 3,124.68/x
  3. Step 3: Cross multiply
    7,017.60x = 10,528.80 × 3,124.68
  4. Step 4: Simplify right side
    7,017.60x = 32,899,130.78
  5. Step 5: Solve for x
    x = 32,899,130.78/7,017.60
  6. Step 6: Final answer
    x = 4,688.09

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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.