Home / 7,041.21-9,715.23-4,209.50

Finding the Fourth Proportional to 7,041.21, 9,715.23 and 4,209.50

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Solution

The fourth proportional to 7,041.21, 9,715.23 and 4,209.50 is: 5,808.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,041.21 : 9,715.23 = 4,209.50 : x
  2. Step 2: Convert to fraction form
    7,041.21/9,715.23 = 4,209.50/x
  3. Step 3: Cross multiply
    7,041.21x = 9,715.23 × 4,209.50
  4. Step 4: Simplify right side
    7,041.21x = 40,896,260.69
  5. Step 5: Solve for x
    x = 40,896,260.69/7,041.21
  6. Step 6: Final answer
    x = 5,808.13

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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.