Home / 7,353.45-10,148.63-4,210.65

Finding the Fourth Proportional to 7,353.45, 10,148.63 and 4,210.65

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Solution

The fourth proportional to 7,353.45, 10,148.63 and 4,210.65 is: 5,811.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.45 : 10,148.63 = 4,210.65 : x
  2. Step 2: Convert to fraction form
    7,353.45/10,148.63 = 4,210.65/x
  3. Step 3: Cross multiply
    7,353.45x = 10,148.63 × 4,210.65
  4. Step 4: Simplify right side
    7,353.45x = 42,732,307.86
  5. Step 5: Solve for x
    x = 42,732,307.86/7,353.45
  6. Step 6: Final answer
    x = 5,811.19

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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.