Home / 7,621.51-10,513.45-4,434.45

Finding the Fourth Proportional to 7,621.51, 10,513.45 and 4,434.45

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Solution

The fourth proportional to 7,621.51, 10,513.45 and 4,434.45 is: 6,117.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621.51 : 10,513.45 = 4,434.45 : x
  2. Step 2: Convert to fraction form
    7,621.51/10,513.45 = 4,434.45/x
  3. Step 3: Cross multiply
    7,621.51x = 10,513.45 × 4,434.45
  4. Step 4: Simplify right side
    7,621.51x = 46,621,368.35
  5. Step 5: Solve for x
    x = 46,621,368.35/7,621.51
  6. Step 6: Final answer
    x = 6,117.08

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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.