Home / 7,507.08-10,351.40-6,140.10

Finding the Fourth Proportional to 7,507.08, 10,351.40 and 6,140.10

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Solution

The fourth proportional to 7,507.08, 10,351.40 and 6,140.10 is: 8,466.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.08 : 10,351.40 = 6,140.10 : x
  2. Step 2: Convert to fraction form
    7,507.08/10,351.40 = 6,140.10/x
  3. Step 3: Cross multiply
    7,507.08x = 10,351.40 × 6,140.10
  4. Step 4: Simplify right side
    7,507.08x = 63,558,639.26
  5. Step 5: Solve for x
    x = 63,558,639.26/7,507.08
  6. Step 6: Final answer
    x = 8,466.49

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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.