Home / 7,075.51-10,615.43-4,474.87

Finding the Fourth Proportional to 7,075.51, 10,615.43 and 4,474.87

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Solution

The fourth proportional to 7,075.51, 10,615.43 and 4,474.87 is: 6,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,075.51 : 10,615.43 = 4,474.87 : x
  2. Step 2: Convert to fraction form
    7,075.51/10,615.43 = 4,474.87/x
  3. Step 3: Cross multiply
    7,075.51x = 10,615.43 × 4,474.87
  4. Step 4: Simplify right side
    7,075.51x = 47,502,669.24
  5. Step 5: Solve for x
    x = 47,502,669.24/7,075.51
  6. Step 6: Final answer
    x = 6,713.67

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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.