Home / 6,513.57-8,988.74-3,529.41

Finding the Fourth Proportional to 6,513.57, 8,988.74 and 3,529.41

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Solution

The fourth proportional to 6,513.57, 8,988.74 and 3,529.41 is: 4,870.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.57 : 8,988.74 = 3,529.41 : x
  2. Step 2: Convert to fraction form
    6,513.57/8,988.74 = 3,529.41/x
  3. Step 3: Cross multiply
    6,513.57x = 8,988.74 × 3,529.41
  4. Step 4: Simplify right side
    6,513.57x = 31,724,931.20
  5. Step 5: Solve for x
    x = 31,724,931.20/6,513.57
  6. Step 6: Final answer
    x = 4,870.59

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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.