Home / 6,705.09-10,038.78-4,509.57

Finding the Fourth Proportional to 6,705.09, 10,038.78 and 4,509.57

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Solution

The fourth proportional to 6,705.09, 10,038.78 and 4,509.57 is: 6,751.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,705.09 : 10,038.78 = 4,509.57 : x
  2. Step 2: Convert to fraction form
    6,705.09/10,038.78 = 4,509.57/x
  3. Step 3: Cross multiply
    6,705.09x = 10,038.78 × 4,509.57
  4. Step 4: Simplify right side
    6,705.09x = 45,270,581.12
  5. Step 5: Solve for x
    x = 45,270,581.12/6,705.09
  6. Step 6: Final answer
    x = 6,751.67

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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.